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【单选题】
糖皮质激素合用抗菌药物治疗严重感染，糖皮质激素的作用是A.
增强抗生素的抗菌作用
B.
增强机体防御能力
C.
拮抗抗生素的某些副作用
D.
通过激素作用缓解症状, 度过危险期
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举一反三
【单选题】— Let's go to the zoo by taxi, _____? — Maybe we can go there ______. It's not far. [ ]
A.
won't you, on foot
B.
won't you, by foot
C.
shall we, by foot
D.
shall we, on foot
【简答题】根据句意及汉语提示填空。 小题1:We can’t ____ ____ ____（习惯）the weather here because the wind is always strong. 小题2:I’ll help you, ____ ____（即使）I don’t sleep for a night. 小题3:I would like more time to _____ this prob...
【简答题】如图所示为刮板运输机的安全连接器，其工作轴5是由链轮1通过安全销3、轴套2与键带动的，当工作转矩超过允许值，安全销即被切断，以免驱动装置损坏(例如电动机烧毁)。图上各配合面的基本尺寸单位为mm：① 95、② 65、③ 26、④ 16。试按其使用要求，选择适当的公差等级和配合，并简述理由。
【单选题】— I'm tired now. Let's stop a rest. — If we stop , maybe we can't get there on time. [ ]
A.
having; walking
B.
to have; to walk
C.
having; to walk
D.
to have; walking
【单选题】—Can you see _____? —No. Let's go and have a look. Maybe we can help them. [ ]
A.
what are they doing there
B.
what was happening there
C.
what is happening there
D.
what are they talking there
【简答题】Maybe we can visit another place． This one is too ________ (tourist)．
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